Burkert Type 8694 - Manual (Page 60)

60
Safetypositions
14. SAFETY POSITIONS
14.1. Safety positions after failure of the electrical or
pneumatic auxiliary power
Actuator system Designation
Safety positions after failure of the auxiliary
power
electrical pneumatic
up
down
single-acting
Control
function A
down
pilot-controlled control
system:
down
direct-acting control
system:
not defined
up
down
single-acting
Control
function B
up
pilot-controlled control
system:
up
direct-acting control
system:
not defined
Table 33: Safety positions
English
Type 8694